適用范圍 AppIications

適用于具有甲烷、煤塵等爆炸性混合物氣體的煤礦井下巷道及峒室內，作固定式照明用； 執行標準：GB3836.1、GB3836.2、MT221 It is suitable for fixed local lighting in the coal mine tunnel and chamber where have methane and explosive gas mixture Executive standard: GB3836.1，GB3836.2，MT221.

產品特點 Features

安裝煤礦井下。 表面溫度：燈具在環境溫度-20℃~+40℃，如果表面可能堆積粉塵時，表面溫度不得超過150℃。 安裝地點巷道、硐室照明。 在無顯著搖動和沖擊、振動的地方(參閱技術參數)。 在無破壞金屬和絕緣的腐蝕性氣體或蒸氣的地方。 在能防止雨水及滴水侵襲的地方。 Installed underground coal mine. Surface temperature: at ambient temperature -20℃~+40℃， the surface temperature should not exceed 150℃ if the surface may have dust. Installation site: tunnel， chamber. The installation site should be free from obvious shock， impact or vibration (refer to the technical parameters). The installation site should be free of corrosive gas or steam that would erode the metal or destroy the insulation. The installation site should be far away from attack of rain or drip.